diff --git a/setup.cfg b/setup.cfg
index e6f159d08..4c6856d65 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -53,7 +53,7 @@ test =
     gabbi>=1.30.0 # Apache-2.0
     # Provides subunit-trace
     webtest
-    gnocchi[postgresql,file]
+    gnocchi[postgresql,file]==4.5.1
 
 [entry_points]
 aodh.storage =